.navigatorMainClass {
  user-select: none;
}
.folderOnClickClass {
  animation: folderOnClickClass 0.4s 1;
  /*Safari 和 Chrome:*/
  -webkit-animation: folderOnClickClass 0.4s 1;
}

@keyframes folderOnClickClass {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@-webkit-keyframes folderOnClickClass /* Safari 与 Chrome */ {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
